+test_begin_subtest "lastmod query, lower bound only"
+test_subtest_known_broken
+notmuch search lastmod:$revision.. | notmuch_search_sanitize > EXPECTED
+notmuch search --query=sexp "(lastmod $revision \"\")" | notmuch_search_sanitize > OUTPUT
+test_expect_equal_file_nonempty EXPECTED OUTPUT
+
+test_begin_subtest "lastmod query, upper bound only"
+test_subtest_known_broken
+notmuch search lastmod:..$revision2 | notmuch_search_sanitize > EXPECTED
+notmuch search --query=sexp "(lastmod \"\" $revision2)" | notmuch_search_sanitize > OUTPUT
+test_expect_equal_file_nonempty EXPECTED OUTPUT
+